First, look at this figure. The business service registers temporary nodes under the / Web node, such as the server 1 service corresponding to the / web/web1 temporary node, and then monitors the child node events of the / Web node. Use a set to save these point data. When adding and removing, record t ...
Posted on Tue, 21 Jan 2020 04:46:36 -0500 by nonaguy
Install a new clickhouse, no data available.
Open debug level log
In config.xml, turn on the < level > debug < / level > mode to view the log content.
Create replication table
Table building statement:
create table test_test
Posted on Tue, 21 Jan 2020 01:38:19 -0500 by suthen_cowgirl
03 elastic log system - filebeat-kafka-logstash-elastic search-kibana-6.8.0 building process
2.1 software version
2.2 log flow
3. Configure zookeeper cluster
4. Configure kafka cluster
5. Configure filebeat output
6. Configure logstash input
7. Possible problems
Posted on Sun, 19 Jan 2020 04:46:47 -0500 by XenoPhage
dubbo exposes HTTP services
Don't get lost. Welcome to visit again!
dubbo exposes HTTP services
HttpProviderConf configuration class
Request response input and output parameters
Exposure service controller
Posted on Mon, 13 Jan 2020 10:12:57 -0500 by carylson
Since Dubbo supports Spring boot, the integration of Dubbo and Spring has become more simple. Here are the complete steps:
1. Introduce dependency
Posted on Fri, 10 Jan 2020 11:27:26 -0500 by Pryach
Without considering the configuration file first:
kind: StatefulSet #####A problem with fixed hostname and stateful service is that if the pod is not in running state, the hostname cannot be resolved, which constitutes a dead cycle. When I sed to replace the hostname, because the pod is not in running state, she can only ...
Posted on Fri, 10 Jan 2020 09:14:10 -0500 by lunny
1. Environmental preparation
1.1 Download zooKeeper
Looking at the documentation for hadoop 2.7.3, we can see that hadoop 2.7.3 was built with zookeeper-3.4.2 when it was highly available, so we followed the instructions of the hadoop website and installed zookeeper-3.4.2. Go to the website to download ZooKeeper 3.4.2Official address: h ...
Posted on Mon, 06 Jan 2020 16:44:21 -0500 by classix16
zookeeper is a highly consistent distributed database, which consists of multiple nodes to form a distributed cluster. If any node is hung up, the database can still work normally.
Download the package file of zookeeper and extract it
➜ ~ tar -xvzf apache-zookeeper-3.5.6-bin.tar.gz
Enter the decompression directory of zookeep ...
Posted on Sun, 05 Jan 2020 12:12:27 -0500 by BMN
Environment: CentOS release 6.5 (Final)
1.kafka service depends on jdk1.7, so you need to install JDK first
Download the jdk package to the server, but there is no such version on the official website, and save one on Baidu cloud disk.
Download address: link: https://pan.baidu.com/s/1zn4MbanbH20Mviscza3ETQ password: jrks
Posted on Sat, 04 Jan 2020 06:03:47 -0500 by tyler
Download zookeeper, http://mirrors.hust.edu.cn/apache/zookeeper/ , I downloaded 3.4.6 here
Create the zookeeper folder, upload the downloaded file, extract it, and delete the compressed file
tar -zxvf zookeeper-3.4.6.tar.gz
rm -f zookeeper-3.4.6.tar.gz
Enter the unzipped file, cop ...
Posted on Fri, 03 Jan 2020 09:55:46 -0500 by henryhund